Analysis

  • max time kernel
    116s
  • max time network
    123s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    06-12-2022 20:04

General

  • Target

    a8fc0a170f94b4de4fe50f6498377f8f847b9d53e3eda9ede5b2e53fecb09db9.exe

  • Size

    851KB

  • MD5

    a784f032834cfa6a1718e8a2d87ae5aa

  • SHA1

    604c950825ea03f9467c4fa318726229c02cfe46

  • SHA256

    a8fc0a170f94b4de4fe50f6498377f8f847b9d53e3eda9ede5b2e53fecb09db9

  • SHA512

    b6b3bb5e68623cb927aa671836f1b545d8fba0ff438c6626ce5e01b73f8d626440be139bd73ebcc95dfd21c109b9b3c8891d6f29e40db67be53adc86abc6ef16

  • SSDEEP

    12288:McZt3nH/ZhDEZngKMYjsIbqlNwchbNp/pvcsNfLmuwdlkIkY+koijma/gKZ/nXt3:nZzDKQIbq0chXhvcsRLjwdlknP2

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    ftp
  • Host:
    ftp://ftp.valvulasthermovalve.cl/
  • Port:
    21
  • Username:
    [email protected]
  • Password:
    LILKOOLL14!!

Signatures

  • AgentTesla

    Agent Tesla is a remote access tool (RAT) written in visual basic.

  • Reads data files stored by FTP clients 2 TTPs

    Tries to access configuration files associated with programs like FileZilla.

  • Reads user/profile data of local email clients 2 TTPs

    Email clients store some user data on disk where infostealers will often target it.

  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 13 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\a8fc0a170f94b4de4fe50f6498377f8f847b9d53e3eda9ede5b2e53fecb09db9.exe
    "C:\Users\Admin\AppData\Local\Temp\a8fc0a170f94b4de4fe50f6498377f8f847b9d53e3eda9ede5b2e53fecb09db9.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1364
    • C:\Users\Admin\AppData\Local\Temp\a8fc0a170f94b4de4fe50f6498377f8f847b9d53e3eda9ede5b2e53fecb09db9.exe
      "C:\Users\Admin\AppData\Local\Temp\a8fc0a170f94b4de4fe50f6498377f8f847b9d53e3eda9ede5b2e53fecb09db9.exe"
      2⤵
        PID:1540
      • C:\Users\Admin\AppData\Local\Temp\a8fc0a170f94b4de4fe50f6498377f8f847b9d53e3eda9ede5b2e53fecb09db9.exe
        "C:\Users\Admin\AppData\Local\Temp\a8fc0a170f94b4de4fe50f6498377f8f847b9d53e3eda9ede5b2e53fecb09db9.exe"
        2⤵
        • Accesses Microsoft Outlook profiles
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • outlook_office_path
        • outlook_win_path
        PID:1756

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/1364-54-0x0000000001020000-0x00000000010FC000-memory.dmp

      Filesize

      880KB

    • memory/1364-55-0x0000000075281000-0x0000000075283000-memory.dmp

      Filesize

      8KB

    • memory/1364-56-0x0000000000470000-0x0000000000486000-memory.dmp

      Filesize

      88KB

    • memory/1364-57-0x0000000000490000-0x000000000049E000-memory.dmp

      Filesize

      56KB

    • memory/1364-58-0x0000000005500000-0x0000000005580000-memory.dmp

      Filesize

      512KB

    • memory/1364-59-0x0000000000D60000-0x0000000000DA8000-memory.dmp

      Filesize

      288KB

    • memory/1756-60-0x0000000000400000-0x000000000043A000-memory.dmp

      Filesize

      232KB

    • memory/1756-61-0x0000000000400000-0x000000000043A000-memory.dmp

      Filesize

      232KB

    • memory/1756-63-0x0000000000400000-0x000000000043A000-memory.dmp

      Filesize

      232KB

    • memory/1756-64-0x0000000000400000-0x000000000043A000-memory.dmp

      Filesize

      232KB

    • memory/1756-66-0x0000000000435BCE-mapping.dmp

    • memory/1756-65-0x0000000000400000-0x000000000043A000-memory.dmp

      Filesize

      232KB

    • memory/1756-68-0x0000000000400000-0x000000000043A000-memory.dmp

      Filesize

      232KB

    • memory/1756-70-0x0000000000400000-0x000000000043A000-memory.dmp

      Filesize

      232KB